1. Introduction
1.1 Objective
The manual is not a general publication but only edited for experienced technician. The
main purpose is to provide basic foundation for the electrical & mechanical maintenance.
1.2 General Safety notice
1)
Only experienced technician can repair with this guide during product is power on. Any
maintenance by other non-technicians will cause serious damage of the handset. Neither
short circuit nor counter-polarity connection is allowed for any electronic part in the
handset.
3)
Be careful of ESD protection during maintenance to avoid the damage of electrostatic
sensitive components on the handset.
4)
If disassembling operation is necessary for repairing, comply with mechanical structure
disassembling work instruction. Otherwise, disassembling operation will make the
handset damaged.
1.3 Use Instruction
1) Avoid using handset in conditions following:
Where there is any caustic liquid or gas
Where there is any high-temperature or fire circumstance
Where there is any flammable liquid or gas
2) Do not use handset while driving for your safety;
3) Please comply with corresponding rules in some special occasions (like in operating
room, in airplane)
4) Accessory purchasing or changing should comply with model matching;
5) If need clean handset surface, please use cloth dipping a little clean water. Do not use
soluble cleanser.
